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Anodic Stripping Voltammetry of Arsenic(III) Using Gold Nanoparticle-Modified Electrodes

Hossain , MM and Islam , MM and Ferdousi , S and Okajima , T and Ohsaka , T (2008) Anodic Stripping Voltammetry of Arsenic(III) Using Gold Nanoparticle-Modified Electrodes. ELECTROANALYSIS, 20 (22). pp. 2435-2441. ISSN 1040-0397

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Official URL: http://pubs.acs.org/doi/abs/10.1021/ac049232x

Abstract

A novel method for the detection of arsenic(III) in 1 M HCl at a gold nanoparticle-modified glassy carbon electrode has been developed. The gold nanoparticles were electrodeposited onto the glassy carbon electrode via a potential step from +1.055 to −0.045 V vs SCE for 15 s from 0.5 M H2SO4 containing 0.1 mM HAuCl4. The resulting electrode surfaces were characterized with both AFM and cyclic voltammetry. Anodic stripping voltammetry of arsenic(III) on the modified electrode was performed. After optimization, a LOD of 0.0096 ppb was obtained with LSV.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:9970
Deposited By:JNCASR
Deposited On:04 Dec 2010 05:34
Last Modified:04 Dec 2010 05:34

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